Home / 1,246,334,994.70-1,869,502,492.05-519,229,228.30

Finding the Fourth Proportional to 1,246,334,994.70, 1,869,502,492.05 and 519,229,228.30

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Solution

The fourth proportional to 1,246,334,994.70, 1,869,502,492.05 and 519,229,228.30 is: 778,843,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,334,994.70 : 1,869,502,492.05 = 519,229,228.30 : x
  2. Step 2: Convert to fraction form
    1,246,334,994.70/1,869,502,492.05 = 519,229,228.30/x
  3. Step 3: Cross multiply
    1,246,334,994.70x = 1,869,502,492.05 × 519,229,228.30
  4. Step 4: Simplify right side
    1,246,334,994.70x = 970,700,336,252,048,384
  5. Step 5: Solve for x
    x = 970,700,336,252,048,384/1,246,334,994.70
  6. Step 6: Final answer
    x = 778,843,842.45

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.